Machining Dynamics. Experimental characterization of machining processes. TEQIP Workshop on. Dr. Mohit Law
|
|
- Alexia Barnett
- 6 years ago
- Views:
Transcription
1 TEQIP Workshop on Machining Dynamics Machining Process Modelling + Machine Tool Dynamic Testing + Avoidance of Chatter Vibrations July 2016 Experimental characterization of machining processes Dr. Mohit Law mlaw@iitk.ac.in
2 Depth of cut (axial/radial) Mag. [m/n] Machining dynamics Machining models F t = K t bh F f = K f bh Dynamics Tools Freq. [Hz] Chatter Stable Spindle Speed [RPM] Source: MAL, UBC 2
3 Objectives of experimental characterization Process planning Identify cutting force coefficients, these give us a sense of machinability of materials Cutting coefficients are inputs into chatter prediction models Outline Identification of cutting force coefficients Turning Milling 3
4 Orthogonal cutting force coefficients F t = F tc + F te ; F f = F fc + F fe ; F t = bh τ s cos β a α r sin φ c cos φ c + β a α r F f = bh τ s sin β a α r sin φ c cos φ c + β a α r F t = K tc bh + K te b; F f = K fc bh + K fe b; cos β a α r K t = τ s sin φ c cos φ c + β a α r sin β a α r K f = τ s sin φ c cos φ c + β a α r 4
5 Oblique cutting force coefficients F t = bh τ s cos β n α n + tan i tan η sin β n sin φ n cos 2 φ n + β n α n + tan 2 ηsin 2 β n F t = F tc + F te ; F r = F rc + F re ; F a = F ac + F ae ; F f = bh τ s sin φ n cos i sin β n α n cos 2 φ n + β n α n + tan 2 ηsin 2 β n F r = bh τ s cos β n α n cos β n α n tan i tan η sin β n sin φ n cos 2 φ n + β n α n + tan 2 ηsin 2 β n K tc = τ s cos β n α n + tan i tan η sin β n sin φ n cos 2 φ n + β n α n + tan 2 ηsin 2 β n F t = K tc bh + K te b; F r = K rc bh + K re b; F a = K ac bh + K ae b; K fc = τ s sin φ n cos i sin β n α n cos 2 φ n + β n α n + tan 2 ηsin 2 β n K fc = τ s cos β n α n cos β n α n tan i tan η sin β n sin φ n cos 2 φ n + β n α n + tan 2 ηsin 2 β n 5
6 Orthogonal cutting coefficients Step 1 Select material of interest Step 2 Setup tube on a lathe Step 3 Turning tool with zero inclination angle, flat rake face, and no chip breaker Step 4 Select speeds most often used in your application Step 5 Measure cutting forces using dynamometer Source: CutPro Guide, MAL Inc. Step 6 Repeat tests for a range of feed rates Repeat tests for different speeds and tool geometries as necessary Run cutting coefficient identification algorithm 6
7 Orthogonal cutting coefficients Advantages: Experiments and measurements are not very difficult Identified coefficients can be transformed using the orthogonal to oblique transformation methods This enables prediction of cutting coefficients for oblique cutting using experiments from orthogonal cutting Source: CutPro Guide, MAL Inc. Disadvantages: Need to specially prepare tubes and tools Need to conduct quite a many tests for complete characterization of speeds, feeds and geometry Not directly applicable to tools with proper geometry and chip breakers used in many applications 7
8 Oblique cutting tests for identification Conduct a dedicated series of tests at different feed rates and identify coefficients directly for the tool-workpiece-cutting parameter combination of interest Feed Rate Measured Measured Test No: h [mm/rev] Ftc [N] Ffc [N] Test 1 F f F t Test 4 F f F t
9 Prediction Oblique cutting tests for identification Forces are composed of shearing and edge rubbing force components F t = F tc + F te ; F f = F fc + F fe ; or F t = K tc bh + K te b; F f = K fc bh + K fe b; Consider only shearing components (since edge forces do not contribute to cutting): F tc = K tc bh; F fc = K fc bh; Hence the cutting coefficients are: Slopes from graph: K tc b and K fc bh K tc = F tc bh ; K fc = F fc bh ; K te = F te bh ; K fe = F fe bh ; Slopes from graph: 1484 and 124 K tc = 712; K fc = 62; K tc = 14; K fc = 13; Units: N mm 2 9
10 Identification in milling Conduct a dedicated series of tests at different feed rates and identify coefficients directly for the tool-workpiece-cutting parameter combination of interest Use a small workpiece Ensure dynamometer is clamped rigidly to the table Measure cutting forces at stable DOC and at low cutting speed Collect cutting forces for a full number of revolutions Conduct set of milling tests at different feeds but constant axial DOC and immersion (preferably slotting) Run Axial DOC [mm] Radial engagement [% of D] Feed/tooth [mm/tooth] Cutting speed [m/min] Spindle speed [RPM] Feed [mm/min]
11 Force, F(N) Force, F(N) Cutting force measurements in milling Run Axial DOC [mm] Radial engagement [% of D] Feed/tooth [mm/tooth] Cutting speed [m/min] Spindle speed [RPM] Feed [mm/min] Run 1 Run Force components 300 F x 250 F y F z Force components F x F y F z time, t(s) time, t(s) 11
12 Force (N) Identification in milling (slotting) Average milling force per tooth period F q = 1 φ ex F φ q φ j dφ; q = x, y, z p φ st when φ st φ φ ex For full immersion slotting, φ st = 0; φ ex = π Average milling force per tooth period, simplified: F x = N ta 4 K rcc N ta π K re F y = N ta 4 K tcc + N ta π K te F z = N ta 4 K acc + N ta π K ae F q = F qc c + F q ; q = x, y, z Cutting coefficients Mean Force Component vs feed rate feed rate (mm/rev) F x F y F z regr. F x regr. F y regr. F z K tc = 4F yc N t a K rc = 4F xc N t a K rc = πf zc N t a K te = πf ye N t a K rc = πf xe N t a K rc = 2F ze N t a 12
13 Cutting force coefficient identification Conduct a dedicated series of tests at different feed rates and identify coefficients directly for the tool-workpiece-cutting parameter combination of interest Process planning Identified cutting force coefficients give us a sense of machinability of materials Cutting coefficients are inputs into chatter prediction models Questions? 13
Determining Cutting Force Coefficient from Instantaneous Cutting Force in Ball-End Milling
th International & 6 th ll India Manufacturing Technology, Design and Research onference (IMTDR 4) December th 4 th, 4, IIT Guwahati, ssam, India Determining utting Force oefficient from Instantaneous
More informationPERIOD-N BIFURCATIONS IN MILLING: NUMERICAL AND EXPERIMENTAL VERIFICATION
PERIOD-N BIFURCATIONS IN MILLING: NUMERICAL AND EXPERIMENTAL VERIFICATION Andrew Honeycutt and Tony L. Schmitz Department of Mechanical Engineering and Engineering Science University of North Carolina
More informationUNCERTAINTY PROPAGATION FOR SELECTED ANALYTICAL MILLING STABILITY LIMIT ANALYSES
UNCERTAINTY PROPAGATION FOR SELECTED ANALYTICAL MILLING STABILITY LIMIT ANALYSES G. Scott Duncan, Mohammad H. Kurdi, Tony L. Schmitz Department of Mechanical and Aerospace Engineering University of Florida
More informationdnom 2 Substituting known values, the nominal depth of cut (in mm) is
35 Given: boring number of teeth, N t = corner radius, r ε = 0 lead angle, ψ r = 15 back rake angle, γ p = 0 side rake angle, γ f = 0 feed rate, f r = 040 mm/rev spindle speed, n s =600 rpm initial workpiece
More informationCOMBINING TOOL WEAR AND DYNAMICS IN HIGH-SPEED MACHINING PERFORMANCE PREDICTION
COMBINING TOOL WEAR AND DYNAMICS IN HIGH-SPEED MACHINING PERFORMANCE PREDICTION By JAYDEEP MOHAN KARANDIKAR A THESIS PRESENTED TO THE GRADUATE SCHOOL OF THE UNIVERSITY OF FLORIDA IN PARTIAL FULFILLMENT
More informationIL CHATTER E LE VIBRAZIONI NELLE
IL CHATTER E LE VIBRAZIONI NELLE MACCHINE UTENSILI Origine e modalità di riduzione Ing. Massimo Goletti Ing. Paolo Albertelli 2 Agenda Machine Tools performance Vibration Issues Cutting process instability
More informationStability of orthogonal turning processes
Stability of orthogonal turning processes M.A.M. Haring DC 21.16 Traineeship report Coach: A. Aygun, M.A.Sc. candidate (The University of British Columbia) Supervisors: Prof. H. Nijmeijer Prof. Y. Altintas
More informationAvailable online at ScienceDirect. 6th CIRP International Conference on High Performance Cutting, HPC2014
Available online at www.sciencedirect.com ScienceDirect Procedia CIRP 14 ( 2014 ) 170 175 6th CIRP International Conference on High Performance Cutting, HPC2014 Chatter stability prediction in milling
More informationMECHANICS OF METAL CUTTING
MECHANICS OF METAL CUTTING Radial force (feed force) Tool feed direction Main Cutting force Topics to be covered Tool terminologies and geometry Orthogonal Vs Oblique cutting Turning Forces Velocity diagram
More informationDYNAMIC ISSUES AND PROCEDURE TO OBTAIN USEFUL DOMAIN OF DYNAMOMETERS USED IN MACHINE TOOL RESEARCH ARIA
7 th INTERNATIONAL MULTIDISCIPLINARY CONFERENCE Baia Mare, Romania, May 17-18, 2007 ISSN -1224-3264 DYNAMIC ISSUES AND PROCEDURE TO OBTAIN USEFUL DOMAIN OF DYNAMOMETERS USED IN MACHINE TOOL RESEARCH ARIA
More informationCOMPUTER AIDED NONLINEAR ANALYSIS OF MACHINE TOOL VIBRATIONS AND A DEVELOPED COMPUTER SOFTWARE
Mathematical and Computational Applications, Vol. 10, No. 3, pp. 377-385, 005. Association for Scientific Research COMPUTER AIDED NONLINEAR ANALYSIS OF MACHINE TOOL VIBRATIONS AND A DEVELOPED COMPUTER
More informationM A N U F A C T U R I N G P R O C E S S E S ME A S S I G N M E N T
H.- J. Steinmetz, Jan. 004 M A N U F A C T U R I N G P R O C E S S E S ME 38.3 A S S I G N M E N T 0 0 4 A machine shop has 15 workers and one shop foreman. The shop has to manufacture a quantity of 800
More informationA SIMPLIFIED MODEL FOR PLOUGHING FORCES IN TURNING
A SIMPLIFIED MODEL FOR PLOUGHING FORCES IN TURNING Daniel J. Waldorf Industrial and Manufacturing Engineering Department Cal Poly State University San Luis Obispo, CA KEYWORDS Machining, Forces, Edge Geometry,
More informationPrecision Engineering
Precision Engineering 46 2016) 73 80 Contents lists available at ScienceDirect Precision Engineering jo ur nal ho me p age: www.elsevier.com/locate/precision A coupled dynamics, multiple degree of freedom
More informationIDENTIFICATION OF NONLINEAR CUTTING PROCESS MODEL IN TURNING
ADVANCES IN MANUFACTURING SCIENCE AND TECHNOLOGY Vol. 33, No. 3, 2009 IDENTIFICATION OF NONLINEAR CUTTING PROCESS MODEL IN TURNING Bartosz Powałka, Mirosław Pajor, Stefan Berczyński S u m m a r y This
More informationEvaluation of Cutting Forces and Prediction of Chatter Vibrations in Milling
H. B. Lacerda and V. T. Lima H. B. Lacerda and V. T. Lima Federal University of Uberlândia School of Mechanical Engineering Av. João Naves de Ávila, Bl. M 38400-90 Uberlândia, MG. Brazil helder@mecanica.ufu.br
More informationKing Saud University College of Engineering Industrial Engineering Dept.
IE-352 Section 1, CRN: 13536 Section 2, CRN: 30521 First Semester 1432-33 H (Fall-2011) 4(4,1,1) MANUFACTURING PROCESSES - 2 Machining Exercises Name: Student Number: 42 Answer ALL of the following questions
More informationCyclic Variation of Residual Stress Induced by Tool Vibration in Machining Operations
Cyclic Variation of Residual Stress Induced by Tool Vibration in Machining Operations José Outeiro, Jean-Philippe Costes, J.R Kornmeier To cite this version: José Outeiro, Jean-Philippe Costes, J.R Kornmeier.
More informationA Study of the Cutting Temperature in Milling Stainless Steels with Chamfered Main Cutting Edge Sharp Worn Tools
Copyright 2012 Tech Science Press SL, vol.8, no.3, pp.159-171, 2012 A Study of the Cutting Temperature in Milling Stainless Steels with Chamfered Main Cutting Edge Sharp Worn Tools Chung-Shin Chang 1 Abstract:
More informationWheel Regenerative Chatter of Surface Grinding
Hongqi Li Graduate Research Assistant Yung C. Shin Professor School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907 Wheel Regenerative Chatter of Surface Grinding In this paper we
More informationProcess Damping Coefficient Identification using Bayesian Inference
Process Damping Coefficient Identification using Bayesian Inference Jaydeep M. Karandikar, Christopher T. Tyler, and Tony L. Schmitz Mechanical Engineering and Engineering Science University of North Carolina
More informationStructural Dynamic Behavior of a High-Speed Milling Machine
Structural Dynamic Behavior of a High-Speed Milling Machine FEA Vs. EMA Assessment * J. Rotberg, ** B. Bork * "Technion" I.I.T ** Technische Universitat Darmstadt Faculty of Mechanical Eng. PTW Institut
More informationUPDATED TOOL PATH MODELLING WITH PERIODIC DELAY FOR CHATTER PREDICTION IN MILLING.
ENOC-2005, Eindhoven, Netherlands, 7-12 August 2005 UPDATED TOOL PATH MODELLING WITH PERIODIC DELAY FOR CHATTER PREDICTION IN MILLING. Ronald Faassen Department of Mechanical Engineering Eindhoven University
More informationIdentification of system parameters for end milling force simulation with tool and workpiece compliance
University of New Hampshire University of New Hampshire Scholars' Repository Master's Theses and Capstones Student Scholarship Winter 2012 Identification of system parameters for end milling force simulation
More informationApplication of Bayesian Inference to Milling Force Modeling
Jaydeep M. Karandikar Department of Mechanical Engineering and Engineering Science, University of North Carolina at Charlotte, Charlotte, NC 28223 Tony L. Schmitz Department of Mechanical Engineering and
More informationIASF/ASF. New Generation Face Mill Dramatically Reduces Roughing Time FEATURES
New Generation Face Mill Dramatically Reduces Time FEATURES 2-5 times better roughing efficiency than conventional face mills Very stable performace in interrupted cutting Extraordinary metal removal and
More informationAnalysis of Non-Linear Machine Tool Dynamic Behaviour
Proceedings of the 5 th Manufacturing Engineering Society International Conference Zaragoza June 13 Analysis of Non-Linear Machine Tool Dynamic Behaviour A. S. Delgado (1), E. Ozturk (), N. Sims (3) (1)
More informationEvaluation of active structural vibration control strategies in milling process
Evaluation of active structural vibration control strategies in milling process Monnin, J. (a); Wegener, K. (a) a) Institute of Machine Tools and Manufacturing, Zurich, Switzerland Keywords: Mechatronics,
More informationDYNAMICS OF MILLING FLEXIBLE STRUCTURES. By Marc Lorenzo Campomanes B.Sc. The University of Manitoba, 1993
DYNAMICS OF MILLING FLEXIBLE STRUCTURES By Marc Lorenzo Campomanes B.Sc. The University of Manitoba, 1993 A THESIS SUBMITTED IN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE DEGREE OF MASTER OF APPLIED
More informationChatter control in the milling process of composite materials
Journal of Physics: Conference Series Chatter control in the milling process of composite materials To cite this article: K Kecik et al 2012 J. Phys.: Conf. Ser. 382 012012 Related content - Ultrasonically
More informationElsevier Editorial System(tm) for Procedia CIRP Manuscript Draft
Elsevier Editorial System(tm) for Procedia CIRP Manuscript Draft Manuscript Number: PROCIR-D-13-00750R2 Title: Modeling Errors influencing Active Structural Methods for Chatter Mitigation in Milling Process
More informationAutomated Identification of Cutting Force Coefficients and Tool Dynamics on CNC Machines
Automated Identification of Cutting Force Coefficients and Tool Dynamics on CNC Machines by Keith Dunwoody B.A.Sc., The University of British Columbia, 2005 A THESIS SUBMITTED IN PARTIAL FULFILLMENT OF
More informationSimulation in Manufacturing Technology
Simulation in Manufacturing Technology Lecture 8: Principles of Cutting Prof.Dr.-Ing. ritz Klocke Seite 1 Structure of the lecture Introduction: Metal Cutting The Cutting Part Tool-in-Hand System Terms
More informationCHATTER STABILITY OF TURNING AND MILLING WITH PROCESS DAMPING MAHDI EYNIAN. B.A. Sc. Sharif University of Technology, 2001
CHATTER STABILITY OF TURNING AND MILLING WITH PROCESS DAMPING by MAHDI EYNIAN B.A. Sc. Sharif University of Technology, 1 M.A. Sc., Sharif University of Technology, 3 A THESIS SUBMITTED IN PARTIAL FULFILLMENT
More information3D cutting force analysis in worn-tool finish hard turning. Jianwen Hu, Hui Song and Y. Kevin Chou*
Int. J. Machining and Machinability of Materials, Vol. 4, No. 1, 2008 3 3D cutting force analysis in worn-tool finish hard turning Jianwen Hu, Hui Song and Y. Kevin Chou* Department of Mechanical Engineering,
More informationFORCES, VIBRATIONS AND ROUGHNESS PREDICTION IN MILLING USING DYNAMIC SIMULATION
FORCES, VIBRATIONS AND ROUGHNESS PREDICTION IN MILLING USING DYNAMIC SIMULATION Edouard Rivière (1), Enrico Filippi (2), Pierre Dehombreux (3) (1) Faculté Polytechnique de Mons, Service de Génie Mécanique,
More informationMonitoring of tool wear and surface roughness in endmilling for intelligent machining
International Journal of the Physical Sciences Vol. 6(1), pp. 238-2392, 18 May, 211 Available online at http://www.academicjournals.org/ijps DOI: 1.5897/IJPS1.577 ISSN 1992-195 211 Academic Journals Full
More informationResearch Article Modeling of Self-Vibratory Drilling Head-Spindle System for Predictions of Bearings Lifespan
Advances in Acoustics and Vibration Volume 211, Article ID 6687, 1 pages doi:1.1155/211/6687 Research Article Modeling of Self-Vibratory Drilling Head-Spindle System for Predictions of Bearings Lifespan
More informationPROBLEM 7.1 SOLUTION. σ = 5.49 ksi. τ = ksi
PROBLEM 7.1 For the given state of stress, determine the normal and shearing stresses exerted on the oblique face of the shaded triangular element shon. Use a method of analysis based on the equilibrium
More informationSpiralling in BTA deep-hole drilling How to model varying frequencies
Spiralling in BTA deep-hole drilling How to model varying frequencies Nils Raabe, Oliver Webber and Winfried Theis September 1, 2004 Abstract One serious problem in deep-hole drilling is the formation
More informationOptimization of End Mill and Operation Parameters for 3D Slot Milling
1 Optimization of End Mill and Operation Parameters for 3D Slot Milling Winter 2007, ME 555 Design Optimization Project Professor: Dr. Panos Papalambros April 19 th 2007 Hsin-Yu Kuo Jonathan Loss Joseph
More informationAPPLYING DECISION ANALYSIS TO MILLING WITH SYSTEM DYNAMICS CONSTRAINTS: A NEW FRONTIER IN MACHINING SCIENCE
APPLYING DECISION ANALYSIS TO MILLING WITH SYSTEM DYNAMICS CONSTRAINTS: A NEW FRONTIER IN MACHINING SCIENCE By RAÚL ENRIQUE ZAPATA RAMOS A DISSERTATION PRESENTED TO THE GRADUATE SCHOOL OF THE UNIVERSITY
More informationMACHINING DYNAMICS AND STABILITY ANALYSIS IN LONGITUDINAL TURNING INVOLVING WORKPIECE WHIRLING
MACHINING DYNAMICS AND STABILITY ANALYSIS IN LONGITUDINAL TURNING INVOLVING WORKPIECE WHIRLING A Dissertation by ACHALA VIOMY DASSANAYAKE Submitted to the Office of Graduate Studies of Texas A&M University
More informationThis is an author-deposited version published in: Eprints ID: 13508
Open Archive Toulouse Archive Ouverte (OATAO) OATAO is an open access repository that collects the work of Toulouse researchers and makes it freely available over the web where possible. This is an author-deposited
More informationMECHANICS OF MATERIALS Design of a Transmission Shaft
Design of a Transmission Shaft If power is transferred to and from the shaft by gears or sprocket wheels, the shaft is subjected to transverse loading as well as shear loading. Normal stresses due to transverse
More informationIn-Process Chatter Detection in Surface Grinding
MATEC Web of Conferences 28, 21 (215) DOI: 1.151/matecconf/2152821 Owned by the authors, published by EDP Sciences, 215 In-Process Detection in Surface Grinding Somkiat Tangjitsitcharoen 1, a and Angsumalin
More informationCONVECTIVE HEAT TRANSFER COEFFICIENTS IN TURNING
CONVECTIVE HEAT TRANSFER COEFFICIENTS IN TURNING L. Kops M. Arenson Department of Mechanical Engineering McGill University 817 Sherbrooke St. W., Montreal, Quebec, Canada H3A 2K6 Abstract. Methodology
More informationChatter reduction through active vibration damping
Université Libre de Bruxelles F a c u l t y o f A p p l i e d S c i e n c e s Chatter reduction through active vibration damping 8 x 105 7 K cut 6 5 4 With active damping Without active damping 3 2 1 0
More informationStability lobes in turning of Inconel 718
Stability lobes in turning of Inconel 78 G. Urbicain () J. A. Palacios () A. Fernández () A. Rodríguez () L. N. López de Lacalle () A. Elías-Zúñiga () () University of the Basque Country UPV/EHU ETSI Alda.
More informationANALYTICAL MODELING AND SIMULATION OF METAL CUTTING FORCES FOR ENGINEERING ALLOYS
ANALYTICAL MODELING AND SIMULATION OF METAL CUTTING FORCES FOR ENGINEERING ALLOYS by Lei Pang A Thesis Submitted in Partial Fulfillment of the Requirements for the Degree of Doctor of Philosophy in The
More informationThis is an author-deposited version published in: Handle ID:.http://hdl.handle.net/10985/7495
Science Arts & Métiers (SAM) is an open access repository that collects the work of Arts et Métiers ParisTech researchers and makes it freely available over the web where possible. This is an author-deposited
More informationEvaluation of Shear Energy in Turning Process Using DOE Approach
IJRMET Vo l. 6, Is s u e 1, No v 2015-Ap r i l 2016 ISSN : 2249-5762 (Online ISSN : 2249-5770 (Print Evaluation of Shear Energy in Turning Process Using DOE Approach 1 A.Kannan, 2 N.Prasanna Venkateshvaralu
More informationGeneralized modeling of drilling vibrations. Part II: Chatter stability in frequency domain
International Journal of Machine Tools & Manufacture 7 (7) 17 185 www.elsevier.com/locate/ijmactool Generalized modeling of drilling vibrations. Part II: Chatter stability in frequency domain Jochem C.
More informationOptimization of Radial Force in Turning Process Using Taguchi s Approach
5 th International & 6 th All India Manufacturing Technology, Design and Research Conference (AIMTDR 04) December th 4 th, 04, IIT Optimization of Radial Force in Turning Process Using Taguchi s Approach
More informationProceedings of the 2013 ASME International Manufacturing Science and Engineering Conference MSEC2013 June 10-14, 2013, Madison, Wisconsin, USA
Proceedings of the 2013 ASME International Manufacturing Science and Engineering Conference MSEC2013 June 10-14, 2013, Madison, Wisconsin, USA MSEC2013-1152 REMAINING USEFUL TOOL LIFE PREDICTIONS USING
More informationVibration modelling of machine tool structures
Vibration modelling of machine tool structures F. Haase, S. Lockwood & D.G. Ford The Precision Engineering Centre, University of Huddersfield (UK) Abstract Productivity in modem machine tools is acheved
More informationNeural network process modelling for turning of steel parts using conventional and wiper Inserts
Neural network process modelling for turning of steel parts using conventional and wiper Inserts Tugrul Özel* Department of Industrial and Systems Engineering, Rutgers University, Piscataway, NJ 08854-808,
More informationTOWARDS AUTONOMOUS COMPILATION OF TURNING FORCE DATABASES: UTILIZATION OF ON-MACHINE MEASUREMENT OF MACHINED PARTS
MACHINING SCIENCE AND TECHNOLOGY, 5(2), 171 193 (2001) TOWARDS AUTONOMOUS COMPILATION OF TURNING FORCE DATABASES: UTILIZATION OF ON-MACHINE MEASUREMENT OF MACHINED PARTS Zhan-Qiang Liu and Patri K. Venuvinod
More information[ ] [ ] 3.3 Given: turning corner radius, r ε = 0 mm lead angle, ψ r = 15 back rake angle, γ p = 5 side rake angle, γ f = 5
33 Given: tuning cone adius, ε = 0 mm lead angle, ψ = 5 back ake angle, γ p = 5 side ake angle, γ f = 5 initial wokpiece diamete, D w = 00 mm specific cutting and thust enegy models feed ate, f = 020 mm/ev
More informationCOMMITTEE NEURAL NETWORK FORCE PREDICTION MODEL IN MILLING OF FIBER REINFORCED POLYMERS
COMMITTEE NEURAL NETWORK FORCE PREDICTION MODEL IN MILLING OF FIBER REINFORCED POLYMERS A Dissertation by Devi Kiran Kalla M.S., West Texas A&M University at Canyon, 24 B.E., K.V.G College of Engineering
More informationYour Cutting Tool Solution for END MILLS
Your ting Tool Solution for END MILLS END MILLS / VISUAL INDE AQUA V MILL FOUR FLUTE Viable AQ Mill h V List 970 List 970 NEW List 970 List 970 AQUA V MILL FIVE FLUTE CORNER RADIUS Viable AQ Mill h V List
More informationHigh-performance machining of fiber-reinforced materials with hybrid ultrasonic-assisted cutting
, pp. 79 88 Special issue: 3rd International MERGE Technologies Conference (IMTC), 21st 22nd September 2017, Chemnitz High-performance machining of fiber-reinforced materials with hybrid ultrasonic-assisted
More informationDetermination of Proportionality Constants from Experiments to Develop a Force Model for Reaming Process.
Determination of Proportionality Constants from Experiments to Develop a Force Model for Reaming Process. C. Raghavendra Kamath, M.S., M.Tech. * and K.K. Appu Kuttan, Ph.D. 2 Research Scholar, Department
More informationAN EXAMINATION OF SURFACE LOCATION ERROR AND SURFACE ROUGHNESS FOR PERIOD-2 INSTABILITY IN MILLING
AN EXAMINATION OF SURFACE LOCATION ERROR AND SURFACE ROUGHNESS FOR PERIOD-2 INSTABILITY IN MILLING Andrew Honeycutt and Tony L. Schmitz Mechanical Engineering and Engineering Science University of North
More informationControl of Chatter using Active Magnetic Bearings
Control of Chatter using Active Magnetic Bearings Carl R. Knospe University of Virginia Opportunity Chatter is a machining process instability that inhibits higher metal removal rates (MRR) and accelerates
More informationINCREASING THE EFFICIENCY OF EXTERNAL TURNING BY USING THE MULTIPLE LAYER CONSTRUCTION OF THE CUTTING TOOL HOLDER
8th International DAAAM Baltic Conference "INDUSTRIAL ENGINEERING - 19-21 April 2012, Tallinn, Estonia INCREASING THE EFFICIENCY OF EXTERNAL TURNING BY USING THE MULTIPLE LAYER CONSTRUCTION OF THE CUTTING
More informationMATHEMATICAL MODELING EXPERIMENTAL APPROACH OF THE FRICTION ON THE TOOL-CHIP INTERFACE OF MULTICOATED CARBIDE TURNING INSERTS
Vol. 4 No. 1 January-June 2012 pp. 63-80 I J A M F O International Science Press MATHEMATICAL MODELING EXPERIMENTAL APPROACH OF THE FRICTION ON THE TOOL-CHIP INTERFACE OF MULTICOATED CARBIDE TURNING INSERTS
More informationApplication of decision analysis to milling profit maximisation: An introduction
See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/228368950 Application of decision analysis to milling profit maximisation: An introduction
More informationMembers Subjected to Torsional Loads
Members Subjected to Torsional Loads Torsion of circular shafts Definition of Torsion: Consider a shaft rigidly clamped at one end and twisted at the other end by a torque T = F.d applied in a plane perpendicular
More informationSolution for Homework #4. Chapter 21: Multiple Choice Questions (21.3, 21.4, 21.6, 21.8) Problems (21.10, 21.21, 21.20, 21.35)
Solution for Homework #4 Chapter 21: Multiple Choice Questions (21.3, 21.4, 21.6, 21.8) Problems (21.10, 21.21, 21.20, 21.35) 21.3 (d) 21.4 (c) 21.6 (c) 21.8 (a) 21.10 Solution: (a) φ = tan-1(.5 cos 20/(1
More informationStress Analysis Lecture 3 ME 276 Spring Dr./ Ahmed Mohamed Nagib Elmekawy
Stress Analysis Lecture 3 ME 276 Spring 2017-2018 Dr./ Ahmed Mohamed Nagib Elmekawy Axial Stress 2 Beam under the action of two tensile forces 3 Beam under the action of two tensile forces 4 Shear Stress
More informationModeling and Analysis of Fixturing Dynamic Stability in Machining
Modeling and Analysis of Fixturing Dynamic Stability in Machining Haiyan Deng, Ph.D. Candidate Precision Machining Research Consortium (PMRC) George W. Woodruff School of Mechanical Engineering Georgia
More informationA Numerical Approach on the Design of a Sustainable Turning Insert
Proceedings of the Pakistan Academy of Sciences: A. Physical and Computational Sciences 54 (4): 339 345 (2017) Copyright Pakistan Academy of Sciences ISSN: 2518-4245 (print), 2518-4253 (online) Pakistan
More informationLimits for parametric and polar curves
Roberto s Notes on Differential Calculus Chapter : Resolving indeterminate forms Section 7 Limits for parametric and polar curves What you need to know already: How to handle limits for functions of the
More informationThe Design of a Multiple Degree of Freedom Flexure Stage with Tunable Dynamics for Milling Experimentation
The Design of a Multiple Degree of Freedom Flexure Stage with Tunable Dynamics for Milling Experimentation Mark A. Rubeo *, Kadir Kiran *, and Tony L. Schmitz The University of North Carolina at Charlotte,
More informationINFLUENCE OF TOOL NOSE RADIUS ON THE CUTTING PERFORMANCE AND SURFACE FINISH DURING HARD TURNING WITH CBN CUTTING TOOLS 1.
Journal of Machine Engineering, Vol. 17, No. 2, 2017 Received: 23 January 2017/ Accepted: 16 April 2017 / Published online: 12 June 2017 Wit GRZESIK 1* Krzysztof ZAK 1 Roman CHUDY 1 hardened steel, surface
More informationWeek #6 - Taylor Series, Derivatives and Graphs Section 10.1
Week #6 - Taylor Series, Derivatives and Graphs Section 10.1 From Calculus, Single Variable by Hughes-Hallett, Gleason, McCallum et. al. Copyright 005 by John Wiley & Sons, Inc. This material is used by
More informationDETERMINATION OF POWER CONSUMPTION IN MILLING
U.P.B. Sci. Bull., Series D, Vol. 75, Iss. 4, 2013 ISSN 1454-2358 DETERMINATION OF POWER CONSUMPTION IN MILLING Elena Luminiţa OLTEANU 1, Claudiu Florinel BÎŞU 2, Ioan TĂNASE 3 In this paper the influence
More informationVerification of the stability lobes of Inconel 718 milling by recurrence plot applications and composite multiscale entropy analysis
Eur. Phys. J. Plus (2016) 131: 14 DOI 10.1140/epjp/i2016-16014-x Regular Article THE EUROPEAN PHYSICAL JOURNAL PLUS Verification of the stability lobes of Inconel 718 milling by recurrence plot applications
More informationThermal error compensation for a high precision lathe
IWMF214, 9 th INTERNATIONAL WORKSHOP ON MICROFACTORIES OCTOBER 5-8, 214, HONOLULU, U.S.A. / 1 Thermal error compensation for a high precision lathe Byung-Sub Kim # and Jong-Kweon Park Department of Ultra
More informationInt. Journal of Refractory Metals and Hard Materials
Int. Journal of Refractory Metals and Hard Materials 29 (20) 63 69 Contents lists available at ScienceDirect Int. Journal of Refractory Metals and Hard Materials journal homepage: www.elsevier.com/locate/ijrmhm
More informationJournal of Manufacturing Systems
Journal of Manufacturing Systems 31 (2012) 403 411 Contents lists available at SciVerse ScienceDirect Journal of Manufacturing Systems jo u r n al hom epa ge: www.elsevier.com/locate/jmansys Technical
More informationThis is an author-deposited version published in: Eprints ID: 6397
Open Archive Toulouse Archive Ouverte (OATAO) OATAO is an open access repository that collects the work of Toulouse researchers and makes it freely available over the web where possible. This is an author-deposited
More informationApplication of an Internally Consistent Material Model to Determine the Effect of Tool Edge Geometry in Orthogonal Machining
Roy J. Schimmel e-mail: roy.schimmel@gm.com William J. Endres e-mail: endres@umich.edu Dept. of Mechanical Engineering, University of Michigan, Ann Arbor, MI 48109-2125 Robin Stevenson Enterprise Systems
More informationNH fuse-links gg 500VAC double indicator/live tags size 000, 00, 0, 1, 2, 3
NH fuse-links gg VAC IEC NH Fuse-Links The NH system is classified among plug-in fuse systems and is composed of: fuse-base (possibly including terminal covers and phase barriers) fuse-link with blade
More informationMODELLING OF SURFACE ROUGHNESS INDEX FOR A ROLLER BURNISHING PROCESS USING GRAPH THEORY AND MATRIX METHOD
Int. J. Mech. Eng. & Rob. Res. 2012 Neeraj et al., 2012 Research Paper ISSN 2278 0149 www.ijmerr.com Vol. 1, No. 3, October 2012 2012 IJMERR. All Rights Reserved MODELLING OF SURFACE ROUGHNESS INDEX FOR
More informationASSOCIATE DEGREE IN ENGINEERING EXAMINATIONS. SEMESTER 2 May 2013
ASSOCIATE DEGREE IN ENGINEERING EXAMINATIONS SEMESTER 2 May 2013 COURSE NAME: CODE: Mechanical Engineering Science [8 CHARACTER COURSE CODE] GROUP: AD-ENG 1 DATE: TIME: DURATION: "[EXAM DATE]" "[TIME OF
More informationRobust and Miniaturized Interferometric Distance Sensor for In-Situ Turning Process Monitoring
Robust and Miniaturized Interferometric Distance Sensor for In-Situ Turning Process Monitoring F. Dreier, P. Günther, T. Pfister, J. Czarske, Technische Universität Dresden, Laboratory for Measuring and
More informationMODELING OF REGENERATIVE CHATTER OF A MILLING PROCESS TO DELINEATE STABLE CUTTING REGION FROM UNSTABLE REGION
International Journal of Mechanical Engineering and Technology (IJMET) Volume 9, Issue, November 208, pp. 748 757, Article ID: IJMET_09 076 Available online at http://www.iaeme.com/ijmet/issues.asp?jtype=ijmet&vtype=9&itype=
More informationSimulation Approach to Evaluate the Thermal Behavior of A 3-Axis Milling Machine Based on FEM
Simulation Approach to Evaluate the Thermal Behavior of A 3-Axis Milling Machine Based on FEM Abstract This paper presents a virtual simulation system which is employed in order to evaluate the thermalbehavior
More informationGrinding of cermets with cup-wheels
Grinding of cermets with cup-wheels Jeffrey Badger 1,4,a*, Radovan Drazumeric 2,4,b and Peter Krajnik 3,4,c 1 The Grinding Doc, 65 W. 85 th St. #2A New York, NY, 10024 USA 2 Univerisity of Ljubljana, Faculty
More informationTime domain simulation of chatter vibrations in indexable drills
Int J Adv Manuf Technol (2017) 89:1209 1221 DOI 10.1007/s00170-016-9137-8 ORIGINAL ARTICLE Time domain simulation of chatter vibrations in indexable drills Amir Parsian 1,2 & Martin Magnevall 1,2 & Mahdi
More informationCHAPTER 4 FAULT DIAGNOSIS OF BEARINGS DUE TO SHAFT RUB
53 CHAPTER 4 FAULT DIAGNOSIS OF BEARINGS DUE TO SHAFT RUB 4.1 PHENOMENON OF SHAFT RUB Unwanted contact between the rotating and stationary parts of a rotating machine is more commonly referred to as rub.
More informationMath 180 Written Homework Assignment #10 Due Tuesday, December 2nd at the beginning of your discussion class.
Math 18 Written Homework Assignment #1 Due Tuesday, December 2nd at the beginning of your discussion class. Directions. You are welcome to work on the following problems with other MATH 18 students, but
More informationGenerators for wind power conversion
Generators for wind power conversion B. G. Fernandes Department of Electrical Engineering Indian Institute of Technology, Bombay Email : bgf@ee.iitb.ac.in Outline of The Talk Introduction Constant speed
More informationPrediction of stability limit for multi-regenerative chatter in high performance milling
nt. J. Dynam. Control (14 :35 45 DO 1.17/s4435-13-54-5 Prediction of stability limit for multi-regenerative chatter in high performance milling Qiang Guo Yuwen Sun Yan Jiang Dongming Guo Received: 16 August
More informationAEROSPACE DIE & MOLD MACHINE TOOL INDUSTRY MEDICAL END MILLS HIGH-PERFORMANCE CARBIDE DRILLS A PRODUCT OF KENNAMETAL INC.
AEROSPACE DIE & MOLD MACHINE TOOL INDUSTRY MEDICAL END MILLS HIGH-PERFORMANCE DRILLS A PRODUCT OF KENNAMETAL INC. INCH VERSION TOOLS Hanita Cutting Tools is recognized as one of the world's leading manufacturers
More informationJune 2011 PURDUE UNIVERSITY Study Guide for the Credit Exam in (MA 262) Linear Algebra and Differential Equations
June 20 PURDUE UNIVERSITY Study Guide for the Credit Exam in (MA 262) Linear Algebra and Differential Equations The topics covered in this exam can be found in An introduction to differential equations
More informationPESIT Bangalore South Campus Hosur road, 1km before Electronic City, Bengaluru -100 Department of Electronics & Communication Engineering
QUESTION PAPER INTERNAL ASSESSMENT TEST 2 Date : /10/2016 Marks: 0 Subject & Code: BASIC ELECTRICAL ENGINEERING -15ELE15 Sec : F,G,H,I,J,K Name of faculty : Dhanashree Bhate, Hema B, Prashanth V Time :
More informationResearch Article The Microphone Feedback Analogy for Chatter in Machining
Shock and Vibration Volume 215, Article ID 976819, 5 pages http://dx.doi.org/1.1155/215/976819 Research Article The Microphone Feedback Analogy for Chatter in Machining Tony Schmitz UniversityofNorthCarolinaatCharlotte,Charlotte,NC28223,USA
More information